/* Copyright (C) 2004 - 2006  db4objects Inc.  http://www.db4o.com

This file is part of the db4o open source object database.

db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.

db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
namespace Db4objects.Db4o.Internal.CS.Messages
{
	public sealed class MWriteNew : Db4objects.Db4o.Internal.CS.Messages.MsgObject
	{
		public sealed override bool ProcessAtServer(Db4objects.Db4o.Internal.CS.ServerMessageDispatcher
			 serverThread)
		{
			int yapClassId = _payLoad.ReadInt();
			Db4objects.Db4o.Internal.LocalObjectContainer stream = (Db4objects.Db4o.Internal.LocalObjectContainer
				)Stream();
			Unmarshall(_payLoad._offset);
			lock (StreamLock())
			{
				Db4objects.Db4o.Internal.ClassMetadata yc = yapClassId == 0 ? null : stream.GetYapClass
					(yapClassId);
				_payLoad.WriteEmbedded();
				int id = _payLoad.GetID();
				int length = _payLoad.GetLength();
				stream.PrefetchedIDConsumed(id);
				Transaction().SlotFreePointerOnRollback(id);
				int address = stream.GetSlot(length);
				_payLoad.Address(address);
				Transaction().SlotFreeOnRollback(id, address, length);
				if (yc != null)
				{
					yc.AddFieldIndices(_payLoad, null);
				}
				stream.WriteNew(yc, _payLoad);
				Transaction().WritePointer(id, address, length);
			}
			return true;
		}
	}
}
